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core: never delete genesis block (#19617)

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This commit is contained in:
gary rong 2019-05-27 17:05:45 +08:00 committed by Péter Szilágyi
parent 4e0c1a1a6b
commit 611113e967
1 changed files with 10 additions and 4 deletions
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14
core/blockchain.go
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@ -1076,8 +1076,11 @@ func (bc *BlockChain) InsertReceiptChain(blockChain types.Blocks, receiptChain [
// Wipe out canonical block data. // Wipe out canonical block data.
for _, block := range append(deleted, blockChain...) { for _, block := range append(deleted, blockChain...) {
rawdb.DeleteBlockWithoutNumber(batch, block.Hash(), block.NumberU64()) // Always keep genesis block in active database.
rawdb.DeleteCanonicalHash(batch, block.NumberU64()) if block.NumberU64() != 0 {
rawdb.DeleteBlockWithoutNumber(batch, block.Hash(), block.NumberU64())
rawdb.DeleteCanonicalHash(batch, block.NumberU64())
}
} }
if err := batch.Write(); err != nil { if err := batch.Write(); err != nil {
return 0, err return 0, err
@ -1086,8 +1089,11 @@ func (bc *BlockChain) InsertReceiptChain(blockChain types.Blocks, receiptChain [
// Wipe out side chain too. // Wipe out side chain too.
for _, block := range append(deleted, blockChain...) { for _, block := range append(deleted, blockChain...) {
for _, hash := range rawdb.ReadAllHashes(bc.db, block.NumberU64()) { // Always keep genesis block in active database.
rawdb.DeleteBlock(batch, hash, block.NumberU64()) if block.NumberU64() != 0 {
for _, hash := range rawdb.ReadAllHashes(bc.db, block.NumberU64()) {
rawdb.DeleteBlock(batch, hash, block.NumberU64())
}
} }
} }
if err := batch.Write(); err != nil { if err := batch.Write(); err != nil {